(19)
(11) EP 4 566 089 A1

(12)

(43) Date of publication:
11.06.2025 Bulletin 2025/24

(21) Application number: 23748029.8

(22) Date of filing: 20.07.2023
(51) International Patent Classification (IPC): 
H01L 23/40(2006.01)
(52) Cooperative Patent Classification (CPC):
H01L 23/4093
(86) International application number:
PCT/EP2023/070143
(87) International publication number:
WO 2024/028118 (08.02.2024 Gazette 2024/06)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 02.08.2022 US 202217816767

(71) Applicant: International Business Machines Corporation
Armonk, New York 10504 (US)

(72) Inventors:
  • HAMID VISHKASOUGHEH, Mehdi
    Rochester, Minnesota 55901-4441 (US)
  • O'CONNELL, Kevin
    Rochester, Minnesota 55901-444 (US)
  • CAMPBELL, Eric
    Rochester, Minnesota 55901-4441 (US)
  • ALFOQAHA, Arshad
    Rochester, Minnesota 55901-4441 (US)
  • SMITH, Connor
    San Jose, California 95120-6099 (US)

(74) Representative: IBM United Kingdom Limited 
Intellectual Property Law Hursley Park
Winchester, Hampshire SO21 2JN
Winchester, Hampshire SO21 2JN (GB)

   


(54) ADJUSTABLE RETENTION DEVICE FOR HEAT SINK ASSEMBLY